The intelligence community monitored a specific stream of classified information, but it did not include details of specific target or date.
One US intelligence official said that there are data points which are worrisome and now the intelligence is focused on how to prevent any more attacks, CNN reports.
The officials said that the classified information they tracked is different from the public claims and tweets made by the Somalia-based terror group.
The US State Department has reissued a travel specific warning to Kenya saying Americans already there or planning to go there should evaluate their personal security situation, the report added.
--ANI (Posted on 28-09-2013)